<script setup name="Person" lang="ts">
// ref 响应式数据
import { ref } from 'vue'

let name = ref('张三')
let age = ref(18)
let sex = '男'
let address = '北京管庄区'
let tel = '123456789'

console.log(1,name)
console.log(2,age)
console.log(3,sex)
console.log(4,address)
console.log(5,tel)
function changeName() {
  console.log(1)
  name.value = '李四' // 注意，这样修改name，并不是响应式数据，所以不会更新页面
  console.log(name.value)
}

function changeAge() {
  console.log(2)
  age.value += 1
  console.log(age.value)
}

function showTel() {
  console.log(3)
  alert(tel)
  console.log(tel)
}
</script>

<template>
  <div class="person">
    <p>姓名：{{ name }}</p>
    <p>年龄：{{ age }}</p>
    <p>性别：{{ sex }}</p>
    <p>地址：{{ address }}</p>
    <button @click="changeName">修改名字</button>
    <button @click="changeAge">修改年龄</button>
    <button @click="showTel">查看联系方式</button>
  </div>
</template>

<style scoped>
.person {
  background-color: skyblue;
  box-shadow: 0 0 10px #000;
  border-radius: 10px;
  padding: 20px;
}

button {
  margin: 0 5px;
}
</style>